Drug Interactions, Side Effects, and Pharmacological Safety

Why is it critical to understand medication interactions, withdrawal symptoms, and the systemic side effects of common pharmacological treatments?

Prescription Drugs

Hay bales in harvested wheat field, La Mancha, Spain

Afrin Nasal Spray Ingredients

Published Aug,14 2017 | By John Riefler

According to "Harrison's Principles of Internal Medicine," allergic rhinitis symptoms include: sneezing, runny nose, congestion and watery eyes. Seasonal allergic rhinitis, or “hay fever,” occurs due to allergens present in the air at specific times of the year.

Based in New Jersey, John Riefler has been writing since 1987. His articles have appeared in "MD Magazine," "Emergency Medicine" and "Hospital Practice." Riefler holds a Bachelor of Science in biology from Bucknell University, a Master of Science in microbiology from the Medical University of South Carolina and a medical doctorate from St. George's University School of Medicine.